Ergonomic chair



1.-2. Ergonomic chair

1.1 is a perspective view;

1.2 is a front view;

1.3 is a rear view;

1.4 is a left side view;

1.5 is a right side view;

1.6, is a top view; and,

1.7 is a bottom view.

2.1 is a perspective view;

2.2 is a front view;

2.3 is a rear view;

2.4 is a left side view;

2.5 is a right side view;

2.6, is a top view; and,

2.7 is a bottom view. 

CLAIM The ornamental design for an ergonomic chair, as shown and described. 